return function(plugin)
	vim.api.nvim_create_autocmd({ 'BufRead', 'BufWinEnter', 'BufNewFile', 'WinEnter' }, {
		callback = function()
			if vim.fn.expand('%') ~= '' then
				-- dont defer for treesitter as it will show slow highlighting
				-- This deferring only happens only when we do "nvim filename"
				if plugin ~= 'nvim-treesitter' then
					vim.schedule(function()
						require('lazy').load { plugins = plugin }

						if
							plugin == 'nvim-lspconfig'
							or plugin == 'null-ls.nvim'
							or plugin == 'vim-matchup'
						then
							vim.cmd('silent! do FileType')

							if plugin == 'null-ls.nvim' then
								require('null-ls.state').register_conditional_sources()
							end
						end
					end)
				else
					require'lazy'.load { plugins = plugin }
				end
			end
		end,
	})
end